Home / 1,131,943.82-1,697,699.08-439,510.80

Finding the Fourth Proportional to 1,131,943.82, 1,697,699.08 and 439,510.80

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Solution

The fourth proportional to 1,131,943.82, 1,697,699.08 and 439,510.80 is: 659,182.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,943.82 : 1,697,699.08 = 439,510.80 : x
  2. Step 2: Convert to fraction form
    1,131,943.82/1,697,699.08 = 439,510.80/x
  3. Step 3: Cross multiply
    1,131,943.82x = 1,697,699.08 × 439,510.80
  4. Step 4: Simplify right side
    1,131,943.82x = 746,157,080,810.06
  5. Step 5: Solve for x
    x = 746,157,080,810.06/1,131,943.82
  6. Step 6: Final answer
    x = 659,182.08

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.